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-rw-r--r--crates/ide/src/doc_links.rs58
1 files changed, 41 insertions, 17 deletions
diff --git a/crates/ide/src/doc_links.rs b/crates/ide/src/doc_links.rs
index c5dc14a23..cb5a8e19a 100644
--- a/crates/ide/src/doc_links.rs
+++ b/crates/ide/src/doc_links.rs
@@ -108,13 +108,13 @@ pub(crate) fn external_docs(
108 let node = token.parent()?; 108 let node = token.parent()?;
109 let definition = match_ast! { 109 let definition = match_ast! {
110 match node { 110 match node {
111 ast::NameRef(name_ref) => NameRefClass::classify(&sema, &name_ref).map(|d| d.referenced(sema.db)), 111 ast::NameRef(name_ref) => NameRefClass::classify(&sema, &name_ref).map(|d| d.referenced(sema.db))?,
112 ast::Name(name) => NameClass::classify(&sema, &name).map(|d| d.referenced_or_defined(sema.db)), 112 ast::Name(name) => NameClass::classify(&sema, &name).map(|d| d.referenced_or_defined(sema.db))?,
113 _ => None, 113 _ => return None,
114 } 114 }
115 }; 115 };
116 116
117 get_doc_link(db, definition?) 117 get_doc_link(db, definition)
118} 118}
119 119
120/// Extracts all links from a given markdown text. 120/// Extracts all links from a given markdown text.
@@ -214,20 +214,20 @@ fn broken_link_clone_cb<'a, 'b>(link: BrokenLink<'a>) -> Option<(CowStr<'b>, Cow
214// This should cease to be a problem if RFC2988 (Stable Rustdoc URLs) is implemented 214// This should cease to be a problem if RFC2988 (Stable Rustdoc URLs) is implemented
215// https://github.com/rust-lang/rfcs/pull/2988 215// https://github.com/rust-lang/rfcs/pull/2988
216fn get_doc_link(db: &RootDatabase, definition: Definition) -> Option<String> { 216fn get_doc_link(db: &RootDatabase, definition: Definition) -> Option<String> {
217 // Get the outermost definition for the moduledef. This is used to resolve the public path to the type, 217 // Get the outermost definition for the module def. This is used to resolve the public path to the type,
218 // then we can join the method, field, etc onto it if required. 218 // then we can join the method, field, etc onto it if required.
219 let target_def: ModuleDef = match definition { 219 let target_def: ModuleDef = match definition {
220 Definition::ModuleDef(moddef) => match moddef { 220 Definition::ModuleDef(def) => match def {
221 ModuleDef::Function(f) => f 221 ModuleDef::Function(f) => f
222 .as_assoc_item(db) 222 .as_assoc_item(db)
223 .and_then(|assoc| match assoc.container(db) { 223 .and_then(|assoc| match assoc.container(db) {
224 AssocItemContainer::Trait(t) => Some(t.into()), 224 AssocItemContainer::Trait(t) => Some(t.into()),
225 AssocItemContainer::Impl(impld) => { 225 AssocItemContainer::Impl(impl_) => {
226 impld.self_ty(db).as_adt().map(|adt| adt.into()) 226 impl_.self_ty(db).as_adt().map(|adt| adt.into())
227 } 227 }
228 }) 228 })
229 .unwrap_or_else(|| f.clone().into()), 229 .unwrap_or_else(|| def),
230 moddef => moddef, 230 def => def,
231 }, 231 },
232 Definition::Field(f) => f.parent_def(db).into(), 232 Definition::Field(f) => f.parent_def(db).into(),
233 // FIXME: Handle macros 233 // FIXME: Handle macros
@@ -236,17 +236,28 @@ fn get_doc_link(db: &RootDatabase, definition: Definition) -> Option<String> {
236 236
237 let ns = ItemInNs::from(target_def); 237 let ns = ItemInNs::from(target_def);
238 238
239 let module = definition.module(db)?; 239 let krate = match definition {
240 let krate = module.krate(); 240 // Definition::module gives back the parent module, we don't want that as it fails for root modules
241 Definition::ModuleDef(ModuleDef::Module(module)) => module.krate(),
242 _ => definition.module(db)?.krate(),
243 };
241 let import_map = db.import_map(krate.into()); 244 let import_map = db.import_map(krate.into());
242 let base = once(krate.display_name(db)?.to_string()) 245
243 .chain(import_map.path_of(ns)?.segments.iter().map(|name| name.to_string())) 246 let mut base = krate.display_name(db)?.to_string();
244 .join("/") 247 let is_root_module = matches!(
245 + "/"; 248 definition,
249 Definition::ModuleDef(ModuleDef::Module(module)) if krate.root_module(db) == module
250 );
251 if !is_root_module {
252 base = once(base)
253 .chain(import_map.path_of(ns)?.segments.iter().map(|name| name.to_string()))
254 .join("/");
255 }
256 base += "/";
246 257
247 let filename = get_symbol_filename(db, &target_def); 258 let filename = get_symbol_filename(db, &target_def);
248 let fragment = match definition { 259 let fragment = match definition {
249 Definition::ModuleDef(moddef) => match moddef { 260 Definition::ModuleDef(def) => match def {
250 ModuleDef::Function(f) => { 261 ModuleDef::Function(f) => {
251 get_symbol_fragment(db, &FieldOrAssocItem::AssocItem(AssocItem::Function(f))) 262 get_symbol_fragment(db, &FieldOrAssocItem::AssocItem(AssocItem::Function(f)))
252 } 263 }
@@ -533,6 +544,19 @@ mod tests {
533 } 544 }
534 545
535 #[test] 546 #[test]
547 fn test_doc_url_crate() {
548 check(
549 r#"
550//- /main.rs crate:main deps:test
551use test$0::Foo;
552//- /lib.rs crate:test
553pub struct Foo;
554"#,
555 expect![[r#"https://docs.rs/test/*/test/index.html"#]],
556 );
557 }
558
559 #[test]
536 fn test_doc_url_struct() { 560 fn test_doc_url_struct() {
537 check( 561 check(
538 r#" 562 r#"